def test_spectral_to_XYZ_integration(self):
"""
Tests :func:`colour.colorimetry.tristimulus.\
spectral_to_XYZ_integration`
definition.
"""
cmfs = CMFS['CIE 1931 2 Degree Standard Observer']
np.testing.assert_almost_equal(
spectral_to_XYZ_integration(SAMPLE_SPD, cmfs,
ILLUMINANTS_RELATIVE_SPDS['A']),
np.array([14.46365624, 10.85827910, 2.04662343]),
decimal=7)
cmfs = CMFS['CIE 1964 10 Degree Standard Observer']
np.testing.assert_almost_equal(
spectral_to_XYZ_integration(SAMPLE_SPD, cmfs,
ILLUMINANTS_RELATIVE_SPDS['C']),
np.array([10.77031004, 9.44863775, 6.62745989]),
decimal=7)
np.testing.assert_almost_equal(
spectral_to_XYZ_integration(SAMPLE_SPD, cmfs,
ILLUMINANTS_RELATIVE_SPDS['F2']),
np.array([11.57834054, 9.98738373, 3.95462625]),
decimal=7)
def test_spectral_to_XYZ_integration(self):
"""
Tests :func:`colour.colorimetry.tristimulus.\
spectral_to_XYZ_integration`
definition.
"""
cmfs = CMFS.get('CIE 1931 2 Degree Standard Observer')
np.testing.assert_almost_equal(
spectral_to_XYZ_integration(
SAMPLE_SPD,
cmfs,
ILLUMINANTS_RELATIVE_SPDS.get('A')),
np.array([14.46365624, 10.85827910, 2.04662343]),
decimal=7)
cmfs = CMFS.get('CIE 1964 10 Degree Standard Observer')
np.testing.assert_almost_equal(
spectral_to_XYZ_integration(
SAMPLE_SPD,
cmfs,
ILLUMINANTS_RELATIVE_SPDS.get('C')),
np.array([10.77031004, 9.44863775, 6.62745989]),
decimal=7)
np.testing.assert_almost_equal(
spectral_to_XYZ_integration(
SAMPLE_SPD,
cmfs,
ILLUMINANTS_RELATIVE_SPDS.get('F2')),
np.array([11.57834054, 9.98738373, 3.95462625]),
decimal=7)
def function_constraint(a):
"""
Function defining the constraint.
"""
spd[:] = a
return spectral_to_XYZ_integration(
spd, cmfs=cmfs, illuminant=illuminant) - XYZ
def test_XYZ_to_spectral_Meng2015(self):
"""
Tests :func:`colour.recovery.meng2015.XYZ_to_spectral_Meng2015`
definition.
"""
cmfs = STANDARD_OBSERVERS_CMFS['CIE 1931 2 Degree Standard Observer']
shape = SpectralShape(cmfs.shape.start, cmfs.shape.end, 5)
cmfs_c = cmfs.copy().align(shape)
XYZ = np.array([0.07049534, 0.10080000, 0.09558313])
np.testing.assert_almost_equal(
spectral_to_XYZ_integration(
XYZ_to_spectral_Meng2015(XYZ), cmfs=cmfs_c) / 100,
XYZ,
decimal=7)
shape = SpectralShape(cmfs.shape.start, cmfs.shape.end, 10)
cmfs_c = cmfs.copy().align(shape)
np.testing.assert_almost_equal(
spectral_to_XYZ_integration(
XYZ_to_spectral_Meng2015(XYZ, interval=10), cmfs=cmfs_c) / 100,
XYZ,
decimal=7)
np.testing.assert_almost_equal(
spectral_to_XYZ_integration(
XYZ_to_spectral_Meng2015(XYZ, interval=10, tolerance=1e-3),
cmfs=cmfs_c) / 100,
XYZ,
decimal=7)
shape = SpectralShape(400, 700, 5)
cmfs_c = cmfs.copy().align(shape)
np.testing.assert_almost_equal(
spectral_to_XYZ_integration(
XYZ_to_spectral_Meng2015(XYZ, cmfs=cmfs_c), cmfs=cmfs_c) / 100,
XYZ,
decimal=7)